Next button does not work in web onboarding

ERROR:    Exception in ASGI application Traceback (most recent call last):   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/uvicorn/protocols/http/h11_impl.py", line 404, in run_asgi     result = await app(  # type: ignore[func-returns-value]   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/uvicorn/middleware/proxy_headers.py", line 78, in __call__     return await self.app(scope, receive, send)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/fastapi/applications.py", line 269, in __call__     await super().__call__(scope, receive, send)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/starlette/applications.py", line 124, in __call__     await self.middleware_stack(scope, receive, send)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/starlette/middleware/errors.py", line 184, in __call__     raise exc   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/starlette/middleware/errors.py", line 162, in __call__     await self.app(scope, receive, _send)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/starlette/exceptions.py", line 93, in __call__     raise exc   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/starlette/exceptions.py", line 82, in __call__     await self.app(scope, receive, sender)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/fastapi/middleware/asyncexitstack.py", line 21, in __call__     raise e   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/fastapi/middleware/asyncexitstack.py", line 18, in __call__     await self.app(scope, receive, send)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/starlette/routing.py", line 670, in __call__     await route.handle(scope, receive, send)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/starlette/routing.py", line 266, in handle     await self.app(scope, receive, send)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/starlette/routing.py", line 65, in app     response = await func(request)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/fastapi/routing.py", line 231, in app     raw_response = await run_endpoint_function(   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/fastapi/routing.py", line 160, in run_endpoint_function     return await dependant.call(**values)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/qtci_bin/onboarding_web.py", line 98, in check_project     return route_response(data, dt_json, status_code)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/qtci_bin/onboarding_web.py", line 240, in route_response     return JSONResponse(content=data, status_code=status)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/starlette/responses.py", line 187, in __init__     super().__init__(content, status_code, headers, media_type, background)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/starlette/responses.py", line 49, in __init__     self.body = self.render(content)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/site-packages/starlette/responses.py", line 190, in render     return json.dumps(   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/json/__init__.py", line 234, in dumps     return cls(   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/json/encoder.py", line 199, in encode     chunks = self.iterencode(o, _one_shot=True)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/json/encoder.py", line 257, in iterencode     return _iterencode(o, 0)   File "/Users/saragilbert/opt/anaconda3/lib/python3.9/json/encoder.py", line 179, in default     raise TypeError(f'Object of type {o.__class__.__name__} ' TypeError: Object of type bytes is not JSON serializable INFO:     127.0.0.1:62405 - "GET / HTTP/1.1" 200 OK INFO:     127.0.0.1:62406 - "POST /api/qt/check_licence HTTP/1.1" 200 OK INFO:     127.0.0.1:62409 - "POST /api/gitlab/check_credentials HTTP/1.1" 200 OK INFO:     127.0.0.1:62411 - "POST /api/gitlab/check_project HTTP/1.1" 200 OK INFO:     127.0.0.1:62413 - "GET / HTTP/1.1" 200 OK INFO:     127.0.0.1:62413 - "POST /api/qt/check_licence HTTP/1.1" 200 OK INFO:     127.0.0.1:62413 - "POST /api/gitlab/check_credentials HTTP/1.1" 200 OK INFO:     127.0.0.1:62414 - "POST /api/gitlab/check_project HTTP/1.1" 200 OK [      INFO]: Checking ngrok token by creating a tunnel [      INFO]: Starting NGROK validation [      INFO]: Tunnel creation: OK                                                                    [      INFO]: Ngrok configuration: OK INFO:     127.0.0.1:62414 - "POST /api/ngrok/check_token HTTP/1.1" 200 OK